USB: s3c2410: unregister should call unbind, not disconnect

This patch (as1275) fixes the s3c2410 device controller driver.  Its
usb_gadget_unregister_driver() routine is supposed to call the gadget
driver's unbind method, not the disconnect method.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/s3c2410_udc.c b/drivers/usb/gadget/s3c2410_udc.c
index a9b452f..d5f4c1d 100644
--- a/drivers/usb/gadget/s3c2410_udc.c
+++ b/drivers/usb/gadget/s3c2410_udc.c
@@ -1703,8 +1703,7 @@
 	dprintk(DEBUG_NORMAL,"usb_gadget_register_driver() '%s'\n",
 		driver->driver.name);
 
-	if (driver->disconnect)
-		driver->disconnect(&udc->gadget);
+	driver->unbind(&udc->gadget);
 
 	device_del(&udc->gadget.dev);
 	udc->driver = NULL;